Table 2.
Participant characteristics and outcome measures.
| Variable | Control (n = 37) | Decide2Rest Decision Aid (n = 36) |
|---|---|---|
| Research site, n (%) | ||
| University | 18 (48.7) | 18 (50.0) |
| Department of Veterans Affairs | 19 (51.3) | 18 (50.0) |
| Age, mean (SD) | 68.8 (7.0) | 69.4 (5.7) |
| 60–65 y, n (%) | 15 (40.5) | 11 (30.6) |
| 66–70 y, n (%) | 9 (24.3) | 9 (25.0) |
| 70+ y, n (%) | 13 (35.1) | 16 (44.4) |
| Male, n (%) | 26 (70.3) | 26 (72.2) |
| Non-Hispanic White, n (%) | 27 (73.0) | 23 (63.9) |
| Education, n (%) | ||
| High school (≤ 12 y) | 5 (13.5) | 4 (11.1) |
| Some college (13–15 y) | 15 (40.5) | 11 (30.6) |
| College or higher (16+ y) | 17 (46.0) | 21 (58.3) |
| Marital status, n (%) | ||
| Married or living as married | 21 (56.8) | 19 (52.8) |
| Single / Never married | 5 (13.5) | 6 (16.7) |
| Other (divorced/separated/widowed) | 11 (29.7) | 11 (30.5) |
| Baseline apnea-hypopnea index, mean (SD) | 18.3 (11.6) | 20.1 (17.1)a |
| Epworth Sleepiness Scale, mean (SD) | 7.51 (4.93) | 8.22 (4.99) |
a
Missing one value. Demographic and clinical characteristics (controlling for study site) at baseline were comparable between treatment and control groups (P > .05; Cochran-Mantel-Haenszel tests [categorical] and analysis of variance [continuous]). SD = standard deviation.